Best Buy offers My Best Buy members the TP-Link 10-watt (60-watt Equivalent) A19 E26 Multicolor Dimmable WiFi LED Smart Bulb for $19.99 with free shipping. (You must be signed in to your account to see this price. Not a member? It's free to join.) That's $3 under last month's mention and the lowest price we've seen. (It's the best deal now by $5.) It has built-in WiFi, allowing you to remotely control the bulb's settings via the Kasa app. Other features include 16 million color choices and compatibility with Amazon Alexa or Google Assistant.
With these companies, it might be easier than you think to negotiate your monthly bill down.